Sumivo · Health
Running Pace Calculator
Calculate running pace and speed from distance and time.
01 / inputs
km
min
02 / result
PACE
5:00 /km
- Pace per km
- 5:00 /km
- Pace per mile
- 8:03 /mi
- Average speed
- 12 km/h
Calculation trace
- 3,000 s ÷ 10 km = 300 s/km300 s/kmPace per km
- 10 km ÷ 0.833333 h = 12 km/h12 km/hAverage speed
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How it works
Pace = time ÷ distance. The tool reports seconds per kilometre, seconds per mile (1 mile = 1.609344 km) and average speed in km/h.
Assumptions & limits
- Assumes an even pace over the whole distance.
- Distance in km, time in minutes.
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FAQ
- How do I convert pace to speed?
- Speed (km/h) = distance ÷ time in hours; the tool shows both pace and speed.
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Related calculators
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SOURCES
- National Institute of Standards and Technology (NIST)Guide for the Use of the International System of Units (SI) — NIST Special Publication 811 ↗
Exact mile = 1.609344 km used for pace per mile; pace = time ÷ distance
Accessed 2026-08-19